Yayıncı Springer Nature
170814

Sharenting: A New Paradigm of Digital Entertainment of New Age Parenting and Social Media

Yegen, Ceren

The increasing use of social networks in almost every part of the world has led to research on various age groups. Because it is important to understand individuals and social media-based transformations in the social media age. Like the causes and consequences of the social media’s intense penetration into social life, it is of course a contemporary importance to reflect on the concepts and practices introduced by social media to daily life. The concept of sharenting, which enters the new media literature as “sharing parenting” or “social media parenting,” is as popular as it is for discussion. Indeed, given that social media itself is in the midst of many ethical debates, it is necessary to discuss the importance of the concept in terms of the privacy of children who need to be protected...

167329

Responses of antioxidant defense system of Helianthus annuus to abscisic acid treatment under drought and waterlogging.

Yüksel Keleş, Serpil Ünyayar

The effect of abscisic acid (ABA) treatment on growth pigments and antioxidant defense system were in vestigated in seedlings of Helianthus annuus (cvs. Nantio F1 and Özde mirbey) subjected to drought and waterlogging stress. In addition, seedlings were sprayed with 10 µM ABA three times every other day. Reltive growth rate (RGR) was significantly reduced in both genotypes under drought stress, however, this growth inhibition was less in ABA-treated plants. Total chlorophyll content increased by drought stress in both gentypes. Ascorbate was not influenced by drought, while α-tocopherol in creased in cv. Nantio F1. Ascorbate and α-tocopherol in creased with drought stress in cv. Özdemirbey. ABA treat ment de creased ascorbate and ß-carotene contents while it increased α-tocopherol and xan...

169790

Application of the central composite design to mineralization of olive mill wastewater by the electro/FeII/persulfate oxidation method

Gözmen, Belgin | Görmez, Özkan | Yabalak, Erdal

The olive mill wastewater is a major environmental problem, which is waiting for effective treatment. In this study, the mineralization of olive mill wastewater was investigated using the electro/FeII/persulfate process. The central composite design was utilized to examine the effect of each experimental variables (concentration of persulphate and FeII, treatment time and constant current) on the mineralization of olive mill wastewater. The optimum chemical oxygen demand removal percentage was obtained as 71.2% where the reaction conditions were 200 mA current, 250 mM persulphate, 25 mM FeII, and 6 h reaction time. In addition, the maximum percentage of total phenolic removal and the energy consumption were 88% and 4.50 kWh/kgCOD, respectively, which were obtained at the same reaction ...

169492

Knowledge-level comparison in pulpal and periapical diseases: dental students versus artificial intelligence models (Gemini, Microsoft Copilot, ChatGPT-3.5, ChatGPT-4o): cross-sectional study

Şimşek, Emine

Background This study explored the diagnostic accuracy of artificial intelligence (AI) chatbots and dental students when responding to questions related to pulpal and periapical diseases. Rapid advancements in AI have led to increased interest in their applicability to clinical education and decision-making in dentistry. Objective To compare the accuracy rates of responses given by dental students and various AI-based chatbots (ChatGPT-3.5, ChatGPT-4o, Gemini, and Microsoft Copilot) to multiple-choice questions designed to assess knowledge related to pulpal and periapical diseases. Methods The study included third- and fifth-year dental students representing different levels of clinical training, along with four distinct AI-based chatbots. A total of 327 responses were collected fro...

Makale2025BMC Medical Education 1 | 0 Erişime Kapalı
169432

One-pot synthesis of hydrophilic and hydrophobic fluorescent carbon dots using deep eutectic solvents as designer reaction media

Dogan Calhan, Selda | Alas, Melis Ozge | Asik, Muge | Genc, Rukan

Carbon dots are often synthesized in the presence of a carbon source and passivating agents in which they are crucial for an enhanced fluorescence. The solvent choice and/or combination to be used in the synthesis of these nanoparticles can influence their surface chemical composition, morphology, and fluorescence properties. In this study, highly fluorescent carbon dots were synthesized using deep eutectic solvents of different compositions as green solvent media and doping agent. Resulting carbon dots were then separated by their hydrophilicity/hydrophobicity using a three-phase solvent system (water/ acetone/chloroform) and compared with traditional centrifugation-based separation method. Carbon dots with a size below 20 nm and quantum yield reaching 50% were obtained. Many properties o...

171071

How do menstrual cycle and emotional expressions affect attentional and memory biases?

Doğan, Dilara

While sex differences and menstrual cycle effects in emotional processing and memory are well-documented, findings remain inconsistent. The present study aimed to investigate how emotional facial expressions influence attention and memory, and whether these effects vary across menstrual phases and between sexes. A total of 184 participants (Mage = 20.67, SD = 2.18) were tested, including men and women in five menstrual phases: early follicular (n = 30), late follicular (n = 30), ovulatory (n = 28), early luteal (n = 35), and late luteal (n = 28). Emotional attention was assessed using a flicker change detection task, and recognition memory was measured with a surprise yes/no recognition memory task. Results revealed a robust happiness superiority effect in the flicker task: Changes involvi...

Makale2026Current Psychology 1 | 0 Erişime Açık
171062

From grazing to green: unraveling the ecological consequences of transhumance decline in Turkey’s Mediterranean mountains.

Göktepe, Serdar

Transhumance, a millennia-old pastoral practice, has been instrumental in shaping the cultural, ecological and socioeconomic fabric of Turkey’s Mediterranean mountains while providing a range of ecosystem services. However, profound socio-economic shifts, policy constraints, and land-use changes have led to its rapid decline, triggering cascading environmental consequences. This study investigates the spatial and temporal associations between transhumance decline and land use/cover changes (LULC) along four transhumance migration routes in Turkey’s Mediterranean Mountains over the past three decades. The migration routes of transhumant goat flocks were recorded using GPS collars. Digital Elevation Model data were sourced from the U.S. Geological Survey and analyzed using ArcGIS software to...

167453

Prophylactic efect of myricetin and apigenin against lipopolysaccharide‑induced acute liver injury

KARAYAKAR, FAHRİ | YILMAZ, FERBAL ÖZKAN | HUNT, ARZU ÖZLÜER

Background: Liver has an important role in the initiation and progression of multiple organ failure that occurs in sepsis. Many natural active substances can be used to reduce the liver injury caused by sepsis. For this aim, the efects of myricetin and apigenin on mice model of acute liver injury was evaluated in this study. Methods and results: Thirty-six mice were randomly divided into six groups as; control, lipopolysaccharide (LPS) (5 mg/kg), LPS+myricetin (100 mg/kg), LPS+myricetin (200 mg/kg), LPS+apigenin (100 mg/kg), and LPS+apigenin (200 mg/kg) groups. Myricetin and apigenin were administered orally for 7 days, and LPS was administered intraperitoneally only on the 7th day of the study. 24 h after LPS application, all animals were sacrifced and serum biochemical parameters, hist...

Makale2021Molecular Biology Reports 21 | 0 Erişime Açık
170556

Effects of Lead on Reproduction Physiology and Liver and Gonad Histology of Male Cyprinus carpio

Cengiz Korkmaz, Özcan Ay, Ahmet Erdem Dönmez, Burcu Demirbağ

Sera 17β-estradiol (E2), 11-ketotesteron (11-KT) and 17,20-β-dihydroxy-4-pregnen-3-one (17,20βP) levels and hepatosomatic-gonadosomatic indexes (HSI-GSI) were determined after exposing male C. carpio to 0.13 and 0.26 mg L−1 lead after 7, 14 and 21 days. Histological changes in liver and gonad tissues of male C. carpio were also determined. Sera E2, 11-KT and 17,20βP levels of male fish although showed differences from the control fish, these differences were not statistically significant. This was also true for the HSI values, the GSI values however, decreased on day 7 under the effect of 0.26 mg L−1 Pb. Dilatation in bile duct and sinusoids and lymphocyte infiltration were observed under histopathological examination. Low intensities of fibrosis were detected in testis tissues. Exposure t...

170019

The pollutant emissions from diesel-engine vehicles and exhaust aftertreatment systems

Resitoglu, Ibrahim Aslan

Diesel engines have high efficiency, durability, and reliability together with their low-operating cost. These important features make them the most preferred engines especially for heavy-duty vehicles. The interest in diesel engines has risen substantially day by day. In addition to the widespread use of these engines with many advantages, they play an important role in environmental pollution problems worldwide. Diesel engines are considered as one of the largest contributors to environmental pollution caused by exhaust emissions, and they are responsible for several health problems as well. Many policies have been imposed worldwide in recent years to reduce negative effects of diesel engine emissions on human health and environment. Many researches have been carried out on both diesel e...

169833

Heterogeneous electro-fenton treatment of clofibric acid with a Fe3O4 loaded bifunctional carbon felt cathode via different anode types

Gözmen, Belgin | Çirmi, Doğan

Pharmaceutical pollutants such as clofibric acid pose significant risks to aquatic environments and human health. In this study, a bifunctional cathode (CF@Fe3O4) was synthesized by anchoring Fe3O4 nanoparticles onto carbon felt via a solvothermal method. The material was characterized using scanning electron microscopy, cyclic voltammetry, and electrochemical impedance spectroscopy. The CF@Fe3O4 cathode was then evaluated in a heterogeneous electro-Fenton system for clofibric acid degradation under varying pH and current conditions using platinum and boron doped diamond anodes. Using the CF@Fe3O4/Pt pair, the highest mineralization efficiency (82%) was achieved at pH 3 and 50 mA after 5 h, whereas higher current intensities resulted in decreased mineralization. In contrast, the CF@Fe3...

169835

Long-life (Co, Al, Mg)-doped LiMn1.5Ni0.5O4 cathodes prepared by co-precipitation method

Görmez, Özkan | Gözmen, Belgin | Çirmi, Doğan

The spinel cathode LiMn1.5Ni0.5O4 (LMN) is garnering significant interest in the realm of lithium-ion batteries owing to its economical nature, elevated operating voltage, high theoretical energy density, and commendable thermal stability at a charged state. Various doping elements have been suggested to enhance the discharge capacity and prolong the lifetime of the LMN cathode. In this study, three doping elements (cobalt, aluminum, and magnesium) are investigated and compared using different characterization techniques. All three elements proved to be effective in extending the cycle life. Among all three elements, cobalt exhibits the highest threshold for dopant concentration beyond which performance degradation initiates. The cathode material with the highest performance, LiMn1.5Ni0.4C...

169322

A sustainable approach for water management and nutrient recovery

Azizi, Nangyallai | Yabalak, Erdal | Nural, Yahya

As the global population continues to rise, water reservoirs are encountering increasing threats, amplifying concerns regarding environmental degradation and the scarcity of freshwater resources. This study investigated the potential of hydrochar (HC) generated from apricot kernel shells (AKSs) through the process of hydrothermal carbonization (HTC) as a solution to these challenges. It comprehensively analyzed the relationship between HTC parameters, specifically temperature and duration, and the resulting HC properties, including water-holding capacity (WHC), electrical conductivity, pH, and ion adsorption capabilities. The hydrochar sample (HC12), treated at 240 degrees C for 120 min in the initial run, demonstrated a superior water-holding capacity (WHC) of 4 g/g, making it promising f...

166631

Endoplasmic Reticulum Stress in Myometrial Smooth Muscle Cells and Spontaneous Contraction Changes in the Uterus of Dehydroepiandrosterone-induced Polycystic Ovary Syndrome Rats

Aktaş, Savaş | Barlas, İbrahim Ömer | Ün, İsmail

Myometrial changes in polycystic ovary syndrome (PCOS) are poorly investigated. Thus, we aimed to investigate endoplasmic reticulum (ER) stress in myometrial smooth muscle cells and changes in spontaneous uterine contraction in PCOS. Twenty-one female Sprague-Dawley rats (21 days old) were divided into control (n = 7), vehicle (n = 7) and PCOS (n = 7) groups. While the control group was not injected subcutaneously, the vehicle group was injected subcutaneously with sesame oil (0.2 ml/day) for 20 consecutive days. The PCOS group was injected subcutaneously with dehydroepiandrosterone (6 mg/100 g/day dissolved in 0.2 ml sesame oil) for 20 consecutive days. Blood samples were collected for the measurement of follicle stimulating-hormone (FSH), luteinizing hormone (LH), testosterone (T), estra...

169312

A Review on Recent Advances in Polymer-Assisted Green and Sustainable Technology for Remediation of Pharmaceuticals from Water and Wastewater

Azizi, Nangyallai | Nural, Yahya | Yabalak, Erdal

A wide variety of human and veterinary pharmaceuticals have been frequently found in the aquatic environment around the world. Among those, non-steroidal anti-inflammatory drugs (NSAIDs), antibiotics, anti-hypertensives, and anti-depressants are the pharmaceuticals that are most frequently detected in aquatic systems. According to many research, the indirect exposure of living organisms to pharmaceuticals through aquatic systems could cause severe ecological and toxicological effects. Various conventional treatments, such as physical, chemical, and biological treatments, have been investigated for the removal of pharmaceuticals from water. However, the efficiency of these processes is often low, indicating the necessity of developing new and more modern ones. The use of polymeric composite...

170464

Monitoring the change of Turkey’s tourism city Antalya’s Konyaaltı shoreline with multi-source satellite and meteorological data

Yiğit, Abdurahman Yasin

Uncontrolled tourism activities cause the destruction of nature and deterioration of the ecological balance. Since coastal areas are both economically and socially important, monitoring shoreline changes has become one of the important research areas. Monitoring short-term and long-term changes in coastal areas is important to prevent damages that may occur due to natural and human factors and protect the shorelines. In this study, which is an important tourist city of Antalya, Turkey, and the world, coastal changes using historical and recent satellite data have been analyzed. The focus of the study is to analyze long-term coastal change with Landsat data and the data obtained every 5 years between 1985 and 2020 and to analyze short-term change with annual Sentinel-2 data between 2015 and...

/ 3